Can cover



FIG. 1 is a front perspective view of a can cover, the broken line showing of a can depicting environmental subject matter only and forming no part of the claimed design.

FIG. 2 is a front view of the can cover.

FIG. 3 is a back view of the can cover.

FIG. 4 is a left view of the can cover.

FIG. 5 is a right view of the can cover.

FIG. 6 is a top view of the can cover; and,

FIG. 7 is a bottom view of the can cover. 

The ornamental design for a can cover, substantially as shown and described. 